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Brain network analysis for traumatic brain injury (TBI) patients is critical for its consciousness level assessment and prognosis evaluation, which requires the segmentation of certain consciousness-related brain regions. However, it is…

图像与视频处理 · 电气工程与系统科学 2022-08-15 Xiangyu Zhao , Di Zang , Sheng Wang , Zhenrong Shen , Kai Xuan , Zeyu Wei , Zhe Wang , Ruizhe Zheng , Xuehai Wu , Zheren Li , Qian Wang , Zengxin Qi , Lichi Zhang

Magnetic Resonance Imaging (MRI) is a vital modality for gaining precise anatomical information, and it plays a significant role in medical imaging for diagnosis and therapy planning. Image synthesis problems have seen a revolution in…

图像与视频处理 · 电气工程与系统科学 2024-04-16 Drici Mourad , Kazeem Oluwakemi Oseni

In this paper, we propose Wasserstein Isometric Mapping (Wassmap), a nonlinear dimensionality reduction technique that provides solutions to some drawbacks in existing global nonlinear dimensionality reduction algorithms in imaging…

机器学习 · 计算机科学 2023-02-22 Keaton Hamm , Nick Henscheid , Shujie Kang

The performance of traditional compressive sensing-based MRI (CS-MRI) reconstruction is affected by its slow iterative procedure and noise-induced artefacts. Although many deep learning-based CS-MRI methods have been proposed to mitigate…

图像与视频处理 · 电气工程与系统科学 2020-06-24 Yifeng Guo , Chengjia Wang , Heye Zhang , Guang Yang

Translational brain research using Magnetic Resonance Imaging (MRI) is becoming increasingly popular as animal models are an essential part of scientific studies and more ultra-high-field scanners are becoming available. Some disadvantages…

图像与视频处理 · 电气工程与系统科学 2022-01-05 André Ferreira , Ricardo Magalhães , Sébastien Mériaux , Victor Alves

Brain-computer interfaces (BCIs) have opened new platforms for human-computer interaction, medical diagnostics, and neurorehabilitation. Wearable BCI systems, which typically employ non-invasive electrodes for portable monitoring, hold…

人机交互 · 计算机科学 2026-04-14 Haoxian Liu , Hengle Jiang , Lanxuan Hong , Xiaomin Ouyang

Head magnetic resonance imaging (MRI) data are routinely collected and shared for research under strict regulatory frameworks that require the removal of direct identifiers prior to data release. However, even after skull stripping, brain…

计算机视觉与模式识别 · 计算机科学 2026-05-07 Gaurang Sharma , Harri Polonen , Juha Pajula , Jutta Suksi , Jussi Tohka

Common measures of neural representational (dis)similarity are designed to be insensitive to rotations and reflections of the neural activation space. Motivated by the premise that the tuning of individual units may be important, there has…

机器学习 · 计算机科学 2023-11-17 Meenakshi Khosla , Alex H. Williams

Brain age is a critical measure that reflects the biological ageing process of the brain. The gap between brain age and chronological age, referred to as brain PAD (Predicted Age Difference), has been utilized to investigate…

图像与视频处理 · 电气工程与系统科学 2025-07-15 Lemuel Puglisi , Alessia Rondinella , Linda De Meo , Francesco Guarnera , Sebastiano Battiato , Daniele Ravì

The work proposes a novel deep-learning framework for the synthesis of three-dimensional MRI volumes from corresponding 3D ultrasound images of the brain, leveraging a modified iteration of the Pix2Pix Generative Adversarial Network (GAN)…

图像与视频处理 · 电气工程与系统科学 2024-07-19 Shubham Singh , Mrunal Bewoor , Ammar Ranapurwala , Satyam Rai , Sheetal Patil

Synthetic cardiac MRI (CMRI) generation has emerged as a promising strategy to overcome the scarcity of annotated medical imaging data. Recent advances in GANs, VAEs, diffusion probabilistic models, and flow-matching techniques aim to…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Ishan Kumarasinghe , Dasuni Kawya , Madhura Edirisooriya , Isuri Devindi , Isuru Nawinne , Vajira Thambawita

Retrospective analysis of brain MRI scans acquired in the clinic has the potential to enable neuroimaging studies with sample sizes much larger than those found in research datasets. However, analysing such clinical images "in the wild" is…

图像与视频处理 · 电气工程与系统科学 2023-01-06 Benjamin Billot , Magdamo Colin , Sean E. Arnold , Sudeshna Das , Juan. E. Iglesias

Early detection of cancer is key to a good prognosis and requires frequent testing, especially in pediatrics. Whole-body magnetic resonance imaging (wbMRI) is an essential part of several well-established screening protocols, with screening…

图像与视频处理 · 电气工程与系统科学 2020-06-02 Alex Chang , Vinith M. Suriyakumar , Abhishek Moturu , Nipaporn Tewattanarat , Andrea Doria , Anna Goldenberg

Motivation: Recent advances in technology for brain imaging and high-throughput genotyping have motivated studies examining the influence of genetic variation on brain structure. Wang et al. (Bioinformatics, 2012) have developed an approach…

统计方法学 · 统计学 2016-10-18 Keelin Greenlaw , Elena Szefer , Jinko Graham , Mary Lesperance , Farouk S. Nathoo

We show how perceptual embeddings of the visual system can be constructed at inference-time with no training data or deep neural network features. Our perceptual embeddings are solutions to a weighted least squares (WLS) problem, defined at…

计算机视觉与模式识别 · 计算机科学 2023-10-11 Daniel Severo , Lucas Theis , Johannes Ballé

Recent advances in MRI have led to the creation of large datasets. With the increase in data volume, it has become difficult to locate previous scans of the same patient within these datasets (a process known as re-identification). To…

图像与视频处理 · 电气工程与系统科学 2023-09-26 Lemuel Puglisi , Frederik Barkhof , Daniel C. Alexander , Geoffrey JM Parker , Arman Eshaghi , Daniele Ravì

Human anatomy, morphology, and associated diseases can be studied using medical imaging data. However, access to medical imaging data is restricted by governance and privacy concerns, data ownership, and the cost of acquisition, thus…

Brain atrophy and white matter hyperintensity (WMH) are critical neuroimaging features for ascertaining brain injury in cerebrovascular disease and multiple sclerosis. Automated segmentation and quantification is desirable but existing…

Multi-sequence MRI is valuable in clinical settings for reliable diagnosis and treatment prognosis, but some sequences may be unusable or missing for various reasons. To address this issue, MRI synthesis is a potential solution. Recent deep…

图像与视频处理 · 电气工程与系统科学 2023-07-04 Luyi Han , Tianyu Zhang , Yunzhi Huang , Haoran Dou , Xin Wang , Yuan Gao , Chunyao Lu , Tan Tao , Ritse Mann

Segmenting stroke lesions in MRI is challenging due to diverse acquisition protocols that limit model generalisability. In this work, we introduce two physics-constrained approaches to generate synthetic quantitative MRI (qMRI) images that…

图像与视频处理 · 电气工程与系统科学 2025-06-03 Liam Chalcroft , Jenny Crinion , Cathy J. Price , John Ashburner